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Grunbeck softliQ:LB Operation Manual

Water softener
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Water softener | softliQ:LB, softliQ:LBi
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Summary of Contents for Grunbeck softliQ:LB

  • Page 1 We understand water. Water softener | softliQ:LB, softliQ:LBi Operation manual...
  • Page 2 General Contact Germany International Sales +49 9074 41-145 Service +49 9074 41-333 service@gruenbeck.de Availability Monday to Thursday 7:00 am - 6:00 pm Friday 7:00 am - 4:00 pm We reserve the right to technical modifications. © by Grünbeck AG Original operation manual Edition: August 2024 Order no.: 100254959900_en_014...

  • Page 3: Table Of Contents

    Table of contents Table of contents Setting the control unit and checking the system Introduction ............... 4 for function ..............63 Handing over the product to the Validity of the manual ..........5 owner/operator/operating company ......64 Other applicable documents ........5 Product identification ..........

  • Page 4: Introduction

    Introduction Introduction This manual is intended for owners/operators/operating companies, users as well as qualified specialists and ensures the safe and efficient handling of the product. The manual is an integral part of the product. ● Carefully read this manual and the included manuals on the components before you operate your product.

  • Page 5: Validity Of The Manual

    Other applicable documents In the interest of sustainability, we provide the product data sheet and the checklists for download on our homepage. ● Mounting instructions of softliQ:LB/LBi water softeners without pedestal ● Manuals of all accessories used ● Electrical circuit diagram ●...

  • Page 6: Product Identification

    Protection class Nominal diameter (connection diameter) Operating weight (without salt tank) Nominal pressure Date of manufacture Operating pressure QR code (www.grünbeck.de) Nominal flow for softliQ:LB or Product designation continuous flow for softliQ:LBi Data matrix code Media temperature Order no. Ambient temperature Serial no.
  • Page 7 Introduction 1.3.2 275-kg salt tank The type plate is located on the back of the salt tank. Designation Designation CE mark Voltage supply Obey the operation manual Ambient temperature Disposal information Operating weight (filled) Product designation Material with volume/max. salt filling Order no.

  • Page 8: Symbols Used

    Introduction Symbols used Symbol Meaning Danger and risk Important information or requirement Useful information or tip Written documentation required Reference to further documents Work that must be carried out by qualified specialists only Work that must be carried out by qualified electricians only Work that must be carried out by technical service personnel only Depiction of warnings This manual contains information and instructions that you must obey for your personal...

  • Page 9: Demands On Personnel

    Introduction Demands on personnel During the individual phases of the product’s life cycle, different people carry out work on the product. This work requires different qualifications. 1.6.1 Qualification of personnel Personnel Requirements • No special expertise required User • Knowledge of the tasks assigned •...

  • Page 10: Safety

    Safety Safety Safety measures ● Only operate your product if all components are installed properly. ● Obey the local regulations on drinking water protection, accident prevention and occupational safety. ● Do not make any changes, alterations, extensions or program changes on your product.

  • Page 11: Product-Specific Safety Instructions

    Safety ● Only have qualified electricians carry out electrical work on the product. ● In case of damage to live components, switch off the voltage supply immediately and arrange for repair. ● Prior to starting work on active components, make sure that these are de- energised and remain de-energised for the duration of the work.
  • Page 12 Safety 2.2.1 Signals and warning devices Designation Designation Status indication on the display Transformer (back of the control unit) Designation Leak sensor Labels on the product Risk of electric shock Hot surface The affixed information and pictograms must be clearly legible. They must not be removed, soiled or painted over.

  • Page 13: Conduct In Emergencies

    ► Have safety-related components and wearing parts replaced by a qualified specialist (refer to chapter 8.7). ● Regeneration valve, Transfer valve/s ● Blending unit for softliQ:LB (residential applications) ● Control unit with transformer ● Salt tank including the components below: •...

  • Page 14: Product Description

    Product description Product description Intended use The softliQ:LB water softeners are designed for use in residential applications The softliQ:LBi water softeners are for exclusive use in industrial and commercial applications only. The water softeners are designed for the continuous production of softened and partially softened water and can be used in these sectors: ●...

  • Page 15: Application Limits

    Obey the table on performance data and the continuous flow diagram in the respective product data sheet. ● softliQ:LB (residential applications) The continuous flow must not be exceeded for more than 15 minutes. ● softliQ:LBi (industrial systems) On average, the continuous flow must not be exceeded.

  • Page 16: Product Components

    Product description Product components 3.2.1 Water softener softliQ:LB Designation Designation Cover (two-part, three-part) Pedestal (only for systems with pedestal) Control unit Display cover for controller housing Schuko power plug Fixing on pedestal 3x Exchanger Riser pipe with filter nozzle Control valve, complete...
  • Page 17 Product description 3.2.2 Control valve (components) Designation Designation Drive of control valve Soft water transfer valve Turbine water meter (3x) with Hall sensor Injector Transformer Sampling valve Regeneration valve Bottle adapter Pressure reducer Raw water transfer valve (with non-return valve) Blending valve (electronically) Disinfection unit with chlorine cell/s 17 | 108...
  • Page 18 Product description 3.2.3 275 kg salt tank Designation Designation Overflow hose connection (Ø 19 mm) Water test kit Electrical cable with plug (6 m in length) Total hardness °dH and °f Level switch for filling height of make-up water Light sensor of salt supply indicator with connector board Brine suction lance Protective pipe with cover...

  • Page 19: Connections

    Product description Connections 3.3.1 Raw/soft water For connection dimensions, refer to the Technical Specifications in the respective Product Data Sheet. Designation Designation Soft water outlet Raw water inlet 3.3.2 Brine/Regeneration water Designation Designation Raw water outlet to fill salt tank Brine inlet from brine volume meter of salt tank Regeneration water outlet to drain 19 | 108...

  • Page 20: Functional Description

    Functional description 3.4.1 Process The softliQ:LB/softliQ:LBi water softeners are triple systems for the continuous supply of soft water according to the ion exchange principle. The exchange of calcium and magnesium ions for sodium ions causes the water to become soft.

  • Page 21: Permissible Regenerant

    ► Find out about the country-specific provisions regarding the soft water hardness. 3.6.1 Blending unit ● Systems of type softliQ:LB (residential applications) feature a blending unit as standard. ● Systems of type softliQ:LBi (industrial applications) do not feature a blending unit as standard.
  • Page 22 Product description 3.6.2 Disinfection unit WARNING Contaminated drinking water due to stagnation ● Infection due to bacterial growth ► Make sure that there is a continuous flow and avoid prolonged periods of standstill. ► Keep the system connected to the power and water supply, even during longer absences.

  • Page 23: Transport, Set-Up And Storage

    The softliQ:LB/softliQ:LBi water softener without pedestal comes as individually packed component on a pallet/s. The softliQ:LB/softliQ:LBi water softener with pedestal comes pre-assembled and ready for connection, with filled exchangers and on a pallet/pallets. ● The system parts/packages are secured on a pallet at the factory and secured against tipping.
  • Page 24 Transport, set-up and storage CAUTION Transport over stairs and inclines ● Crushing due to slipping and falling system components ► Use suitable transport equipment (e.g. a forklift) when transporting the system or system components to the installation site via inclines. ►...
  • Page 25 Transport, set-up and storage 4.2.2 Transporting systems on pedestals 1. Prior to transport, make sure that all transport locks have been removed. 2. Take up the system from the front using a pallet truck. 3. Carefully transport the system to the designated installation site. When removing the system ►...

  • Page 26: Storage

    Transport, set-up and storage 1. Prior to transport, make sure that all hoses and electrical lines have been disconnected from the salt tank. 2. Take up salt tank from the front using a pallet truck. 3. Transport the salt tank to the designated installation site. Storage ►...

  • Page 27: Installation

    Installation Installation The installation of the system represents a major intervention into the drinking water system and must be carried out by a qualified specialist only. Installation examples 5.1.1 Installation example 1 softliQ:LB50/70, softliQ:LB30i/50i Designation Designation Safety device protectliQ Water withdrawal point Drinking water filter pureliQ Drain connection DN 50 acc.
  • Page 28 Installation 5.1.2 Installation example 2 softliQ:LB50/70 with pedestal softliQ:LB30i/50i with pedestal Designation Designation Safety device protectliQ Water withdrawal point Drinking water filter pureliQ Drain connection DN 50 acc. to DIN EN 1717 Scope of supply: Connection kit with flexible connection hoses 28 | 108...
  • Page 29 Installation 5.1.3 Installation example 3 softliQ:LB100/120 softliQ:LB80i/120i Designation Designation Safety device protectliQ Water withdrawal point Drinking water filter BOXER Drain connection DN 50 acc. to DIN EN 1717 Accessories: Connection kit with flexible connection hoses 29 | 108...
  • Page 30 Installation 5.1.4 Installation example 4 softliQ:LB100/120 with pedestal softliQ:LB80i/120i with pedestal Designation Designation Safety device protectliQ Water withdrawal point Drinking water filter BOXER Drain connection DN 50 acc. to DIN EN 1717 Scope of supply: Connection kit with flexible connection hoses 30 | 108...

  • Page 31: Requirements For The Installation Site

    Installation Requirements for the installation site Obey the local installation directives, general guidelines and technical specifications. ● Protection from frost, severe heat exposure and direct sunlight ● Protection from chemicals, dyes, solvents and their vapours ● Ambient temperature and radiation temperature in the immediate vicinity •...

  • Page 32: Checking The Scope Of Supply

    Installation Checking the scope of supply 5.3.1 System without pedestal The 1" and 1¼" exchangers are filled with ion exchange resin at the factory. Designation Designation Exchanger Water test kit “Total hardness” (3x with bottle adapter, water meter) 275 kg salt tank, complete Cover Brine hose, filling hose, flushing water hose Control unit with display cover...

  • Page 33: Water Installation

    Installation 5.3.2 System on pedestal Designation Designation System pre-assembled on pedestal, Screw connection incl. exchanger insulation Connection kit 275 kg salt tank, complete Brine hose, filling hose, flushing water hose Water test kit “Total hardness” ► Check the scope of supply for completeness and damage. Water installation NOTE Impurities and corrosion particles in the water supply line...

  • Page 34: Setting Up The System

    Installation 5.4.1 Setting up the system Obey the safety instructions regarding transport (refer to chapter 4). ► Set up the system securely at the intended site. a Obey transport and set-up instructions (refer to chapter 4.2). b Take the minimum space required into account (refer to the respective product data sheet).
  • Page 35 Installation 5.4.1.2 Systems without pedestal The systems without pedestals are not pre-assembled and must be filled and assembled on site. ► Continue reading in chapter 5.4.2 for systems without pedestal. 5.4.2 Filling exchangers and assembling the system CAUTION Exchangers can tip and fall over ●...
  • Page 36 Installation ► For positioning the exchangers, use the cardboard box as set-up template. Filling the exchangers ► Proceed as follows to fill the 3 exchangers one after the other: Designation Designation Bottle adapter Riser pipe 1. Unscrew the bottle adapter. 36 | 108...
  • Page 37 Installation Designation Designation Riser pipe cover Funnel 2. Insert the riser pipe cover into the riser pipe. 3. Place the funnel onto the riser pipe cover. a Fit the slots of the funnel onto the pins of the riser pipe cover. »...
  • Page 38 7. Put the bottle adapter onto the riser pipe. 8. Tighten the bottle adapter using a wrench (SW 98). » The exchangers are filled and prepared for the installation of the components. 9. Assemble the individual system components. ► Obey the mounting instructions of softliQ:LB/softliQ:LBi. 38 | 108...
  • Page 39 Installation 5.4.3 Connecting the system to the water pipe WARNING Contaminated drinking water due to stagnation ● Infection due to bacterial growth ► Do not connect the product to the drinking water system until immediately before commissioning. ► Only fill the product with raw water immediately before operation. ►...
  • Page 40 Installation NOTE Incorrect installation of connection hoses ● Risk of damage/impairment of the system function ► Make sure that the connection hoses are not squeezed, kinked or twisted when connecting them. ► Firmly hold the connection hoses when tightening the union nuts. ►...
  • Page 41 Installation 5.4.3.2 Installation with fixed piping by client on site ► Obey the points below for an installation with fixed piping: ● Shut-off valves for raw water inlet and soft water outlet ● Sampling valves for raw water and soft water ●...
  • Page 42 Installation 1. Install the screw connections at the raw water connection (inlet) and the soft water connection (outlet). 2. Install the on-site raw water pipe and the soft water pipe at the connections of the water softener. 5.4.4 Setting up the salt tank and making the hose connections WARNING Discharging regeneration water incorrectly ●...
  • Page 43 Designation Designation Overflow connection on salt tank Drain connection for softliQ:LB 1. Install the drain connection and establish a waste water connection. 2. Place the salt tank in the immediate vicinity of the water softener. a Take the length of the hoses from the water softener and from the salt tank into account.
  • Page 44 Installation 5.4.4.2 Connecting the flushing water hose and the overflow hose Designation Designation Flushing water hose (black) with inserted Overflow hose (Ø 19 mm) flushing orifice 1. Insert the flushing orifice into the flushing water hose. 2. Insert the flushing water hose into the black plug connector for regeneration water. 3.
  • Page 45 Installation 5.4.4.3 Connecting the brine hose and the filling hose Connections on the system Designation Designation Brine hose (Ø 8 mm) Filling hose (Ø 9.52 mm) Connection to chlorine cell Connection to operating water outlet 1. Insert the brine hose into the plug-in connection of the chlorine cell as far as it will 2.
  • Page 46 Installation Connections on the salt tank Designation Designation Brine hose Filling hose Connection to brine volume meter Connection to float valve 3. Insert the brine hose into the plug-in connection of the brine volume meter as far as it will go. a Obey the flow direction of the brine volume meter.

  • Page 47: Electrical Installation

    Installation 5.4.4.4 Checking the plug-in connections ► Check the hoses for a tight fit. a Pull at the hose of the respective plug-in connection. » The ring of the plug-in connection blocks the hose. ► To release the plug-in connection: Press and keep the ring pressed while pulling out the hose at the same time.
  • Page 48 Installation 5.5.1.1 Operating the display cover The display cover is plugged onto the controller housing as shield. To access the controller housing or to read the type plate, you must pull off the display cover. Removing the display cover ► Grasp the display cover with both hands and pull it off the controller housing. Attaching the display cover ►...
  • Page 49 Installation 5.5.1.2 Opening the controller housing Designation Designation Housing lid Operating board Main circuit board 1. Unscrew the two screws of the housing lid. 2. Swing open the housing lid. 49 | 108...

  • Page 50: Operating Board

    Installation 5.5.2 Operating board Designation Designation Operating board Label for connections Terminal Function/Signal Colour Comments USB 2.0 Interface For technical service Ethernet RJ45 LAN connection point 10/100 MBit SD card Memory card Archiving and system data printout X2600 RS485 (Modbus) A (+) Network/BUS B (-)

  • Page 51: Main Circuit Board

    Installation 5.5.3 Main circuit board Designation Designation Controller housing Cable feed-throughs Label for lateral connections Label for bottom connections Main circuit board 51 | 108...
  • Page 52 Installation Terminal Function/Signal Colour Comments X500 RS485 (reserve) A (+) Optional interface B (-) BUS signals GNDS3 X501 RS485 IN A (+) BUS signals B (-) GNDS2 X502 RS485 OUT A (+) BUS signals B (-) GNDS2 X503 Connection of main circuit board +24 V= and operating board GNDS1...
  • Page 53 Installation Terminal Function/Signal Colour Comments Relay 2/3 NO (warning) NC (warning) COM<> NO (fault) NC (fault) X1100 Analogue inputs (AIN) Input 1 +24 V= Programmable Reserve Reserve Reserve X1000 Digital inputs (DIN) Input 1 +24 V= Programmable Input 2 +24 V= Programmable X602 X100 connector on salt tank...

  • Page 54: Wiring The Control Unit

    Wiring the control unit The systems on pedestals are wired at the factory. ► For softliQ:LB, wire the lines according to the terminal configuration (refer to the mounting instructions and the electrical wiring diagram. ► Connect the components below to the terminal strip:...
  • Page 55 Installation 5.5.5 Closing the control unit 1. Swing close the housing lid. 2. Lock the housing with 2 screws. 3. Put the display cover in place (refer to chapter 5.5.1.1). 5.5.6 Placing the leak sensor 1. Put the leak sensor flat on the floor. a Place the leak sensor close to a possible water leak and away from any traffic routes to avoid tripping and tearing.

  • Page 56: Installing The Cover

    Installation Installing the cover The cover consists of several segments. ● Two parts for system sizes: DN 25 (1") and DN 32 (1¼") ● Three parts for system sizes: 40 (1½") and DN 50 (2") Designation Designation Rear segment Left segment Lower segment Right segment 5.6.1...
  • Page 57 Installation 1. Carefully place the rear segment of the cover onto the swan necks of the exchangers as far as it will go. 2. Insert the lower segment into the guides of the cover. 3. Check the entire cover for a tight fit. 5.6.2 Three-part cover 1.

  • Page 58: Attaching The Exchanger Insulation

    Installation Attaching the exchanger insulation For systems on pedestals, the exchanger insulation is included in the scope of supply. The exchanger insulation is available as accessory (refer to product data sheet). Condensation forms on the surface of the exchangers due to humidity in the environment and cold water in the exchangers.

  • Page 59: Commissioning

    Commissioning Commissioning The initial commissioning of the product must be carried out by technical service personnel only. ► Document the initial commissioning in the operation log. ► Complete the commissioning log. Preliminary work 1. Make sure that the shut-off valves for raw water inlet and soft water outlet are closed.
  • Page 60 Commissioning 1. Plug in the power plug. » The control unit starts up and shows the basic display (refer to chapter 7.1). Menu ► Service ► Enter Code 005 and confirm 2. Tap on 3. Tap on Commissioning 4. Follow the instructions of the commissioning program in the control unit. 5.
  • Page 61 Commissioning 1. Open the lid of the salt tank. 2. Fill the salt tank with salt tablets. Recommendation: ► Fill the salt tank at least half with salt tablets. ● Max. filling volume: 275 kg (approx. 11 bags of 25 kg each) a Dispose of the dust-like fines from the bag with your residual waste.
  • Page 62 1. Open a water withdrawal point downstream of the system and generate a maximum and constant flow. » The blending valve (for softliQ:LB for residential applications) regulates the desired blending subject to the flow. 2. Check the system for leaks once again.

  • Page 63: Setting The Control Unit And Checking The System For Function

    Commissioning Setting the control unit and checking the system for function 1. Check the settings below in the control unit (refer to chapter 7.1): a Programmable inputs/outputs b Network settings c Modbus d Water hardness 2. Document commissioning in the separate operation log. a Make a system data printout.

  • Page 64: Handing Over The Product To The Owner/Operator/Operating Company

    Commissioning Handing over the product to the owner/operator/operating company ► Explain to the owner/operator/operating company how the product works. ► Use the manual to brief the owner/operator/operating company and answer any questions. ► Inform the owner/operator/operating company about the need for inspections and maintenance.

  • Page 65: Operation

    ● RS485 interface In the control unit, the different parameters for the different system types of the water softener softliQ:LB/softliQ:LBi are stored in data records. The operating data is stored in the respective data record. The stored data records must be changed by technical service personnel only.

  • Page 66: Control Panel

    Operation 7.1.1 Control panel Basic display The basic display of your control unit provides you with information on the system status. From the basic display, you can call up the menu, messages and the individual system components. Symbol Designation Meaning/Function xxx m³/h Flow Current water flow rate...
  • Page 67 Operation Symbol Designation Meaning/Function Optimal = Green Salt supply Low = Yellow Used up = Red °dH Raw water hardness Hardness unit °dH, °f, ppm, mol/m³ Display for flow rate Circling during flow LAN configuration Web server Cloud Connection to myProduct app Control elements/navigation Symbol Designation...

  • Page 68: Menu Structure

    Operation Menu structure 7.2.1 Authorisation levels Settings in the code-protected authorisation levels must be made by Grünbeck's technical service or by a qualified specialist trained by Grünbeck only. ► Tap on the symbol ► Enter the code and confirm it with Code Authorisation level User/Installer...
  • Page 69 Operation Menu level 1 Menu level 2 Settings Unit/Value Service System information Control unit Controller serial number xxxxxxxxx System size Select Circuit board software version Vx.xx Circuit board hardware version Vx.xx Operating unit software version Vx.xx Operating unit hardware version Vx.xx Bootloader version Vx.xx...
  • Page 70 Operation Menu level 1 Menu level 2 Settings Unit/Value IP address Subnet mask Gateway Setting Confirm configuration? Cloud connection ON/OFF Status Connected/not connected URL Cloud URL certificate Web server Activate ON/OFF Password IP address Maintenance & inspection Last maintenance Date & time Next maintenance in Reset counter Confirm...
  • Page 71 Operation Menu level 1 Menu level 2 Settings Unit/Value Gateway LAN connection QR code for myProduct app Complete the commissioning log and confirm Commissioning successfully The triple regeneration is running in completed the background Contact details Company name Phone Email Edit contact details Enter and confirm Actions...
  • Page 72 Operation Menu level 1 Menu level 2 Settings Unit/Value Nominal value Chlorine current Switch-on duration Chlorine cell Suction volume Disinfection program Pause duration Disinfection program Flushing duration Disinfection program Time of regeneration Interval of forced regeneration Days/Hours Interval of forced regeneration Start time of forced regeneration Time Pause between regenerations...

  • Page 73: Establishing A Connection To The Grünbeck Cloud

    Operation Establishing a connection to the Grünbeck Cloud Access to Grünbeck’s Azure Cloud depends on the availability of the respective Microsoft services in the region of the user. Restrictions can affect, limit or prevent the availability of the services outside the EU. Grünbeck’s cloud offers the possibility to retrieve product information via internet.

  • Page 74: Modbus

    Operation Modbus In addition to digital/binary interfaces, the control unit can be integrated via the interfaces below via Modbus. ● RS485 interface (Modbus RTU) ● RJ45 interface (Modbus TCP) In order to establish a connection with the control unit, the host must have the same communication parameters (refer to Modbus parameters).

  • Page 75: Setting The Parameters

    Operation 7.4.2 RJ45 interface via Ethernet LAN (Modbus TCP) 1. Route the LAN cable through a free cable gland of the controller housing. 2. Insert the LAN cable (RJ45 plug) into the Ethernet connector. 7.4.3 Setting the parameters In order to establish a connection with the control unit, the host must have the same communication parameters.

  • Page 76: Function Codes

    Operation 7.4.1 Function codes The function codes below can be used to address the registers in the register areas listed below: Code Function 0x01 Read Discrete Output Coil 0x02 Read Discrete Input Contact 0x03 Read Holding Registers 0x05 Write Single Output Coil 0x06 Write Holding Register 0x10...
  • Page 77 Operation Register Access Byte Data Designation Unit size type Factor 40013 uint16 Process state Exchanger 2 (1 = Step active / 0 = Inactive) Waiting Salting Slow rinse Filling salt tank Backwash First filtrate 40014 uint16 Process state Exchanger 3 (1 = Step active / 0 = Inactive) Waiting Salting...

  • Page 78: Determining The Water Hardness

    Operation Determining the water hardness ► Remove the water test kit from the lid’s pocket. ► Carry out a quick water test using the water test kit “Total hardness”. You can find a quick reference manual and a QR code for a video on the back of the packaging.
  • Page 79 Operation 2. Let the water run for at least 30 seconds. 3. Take a water sample using the test tube. a Fill the test tube up to the °dH mark to determine the water hardness in °dH. b Fill the test tube up to the °f mark (x 0.1 = mol/m³) in order to determine the water hardness in °f, mol/m³...
  • Page 80 Operation 7.5.4 Entering the raw water hardness in the control unit ► Enter the determined raw water hardness in the control unit: Menu ► 1. Tap on Water► Raw water hardness 2. Enter the value for the raw water hardness. 3.
  • Page 81 Operation Sample calculation Raw water hardness: 28 °dH Sodium concentration in the raw water inlet: 51.6 mg/l Permitted addition of sodium during softening: 200 mg/l – 51.6 mg/l = 148.4 mg/l This results in maximum softening permitted: 148.4 mg/l ~ 18 °dH 8.2 mg/l ●...

  • Page 82: Starting A Regeneration Manually

    Operation Starting a regeneration manually A regeneration is required in the cases below: ● If the product is put into operation again after a longer period of standstill ● After maintenance or repair work was performed ● After a prolonged power failure In the situations below, it is not possible to start a manual regeneration: ●...
  • Page 83 Operation Alternatively, you can proceed as follows to regenerate every exchanger separately: 1. In the basic display, tap on the exchanger to be regenerated 2. Tap on the symbol 3. Enter Code 005 and confirm with » The manual regeneration for the respective exchanger will be started. Sequence of a regeneration ●...

  • Page 84: Refilling Salt Tablets

    Operation Refilling salt tablets When the salt supply in the salt tank reaches the minimum level, this will be displayed in the control unit and a message will be output (refer to chapter 9). The salt supply in the salt tank must always be higher than the water level. The sensor of the salt supply indicator is located in the lid of the salt tank.

  • Page 85: Maintenance And Repair

    Maintenance and repair Maintenance and repair Maintenance and repair includes cleaning, inspection and maintenance of the product. WARNING Contaminated drinking water ● Infection due to bacterial growth ► Pay attention to hygiene when working on the product. ► After a longer period of stagnation or contamination, have the product disinfected by technical service personnel.

  • Page 86: Intervals

    Maintenance and repair NOTE Do not clean the system with cleaning agents containing alcohol/solvents. ● Plastic components are damaged. ● Varnished surfaces are affected. ► Use a mild/pH-neutral soap solution. ► Use personal protective equipment. ► Only clean the outside of the system. ►...
  • Page 87 Maintenance and repair Activity Interval Tasks annually Reading out the control unit/Checking the water hardnesses • Water pressure: Read the static and the flow pressure • Read the domestic water meter reading • Read the counter reading Regeneration • Read the meter reading Soft water volume •...

  • Page 88: Inspection

    Raw water hardness b Soft water hardness for softliQ:LBi without blending valve (0 °dH (°f, mmol/l)) c Soft water hardness with blending for softliQ:LB with blending valve 4. Check the control unit for possible error messages (refer to chapter 9.1).
  • Page 89 Maintenance and repair 6. Check the pre-alarm salt supply for salt incrustations. a Wipe the optical interface of the light sensor with a dry cloth. 7. Check the salt level in the salt tank. NOTE Undershooting the minimum salt filling level ●...

  • Page 90: Annual Maintenance

    3. Measure the water hardness below: a Raw water hardness a Soft water hardness (0 °dH (°f, mmol/l)) for softliQ:LBi without blending valve b Soft water hardness with blending for softliQ:LB with blending valve 4. Check the settings in the control unit. a Time...
  • Page 91 Maintenance and repair ► Carry out a 0 °dH test directly on the exchangers in operation, if necessary (refer to chapter 7.4). 7. Readjust the blending valve, if necessary, and check the soft water hardness with blending again. 8. Compare the measured water hardnesses with the settings in the control unit and correct the values, if necessary.
  • Page 92 Maintenance and repair 8.4.2.3 Work on the salt tank CAUTION Escaping water on the floor ● Risk of slipping ● You might slip/fall and injure yourself. ► Use personal protective equipment. Wear sturdy footwear. ► Immediately mop up escaped liquids. ►...
  • Page 93 Maintenance and repair Remove the flushing hoses and close the connections IN and OUT with the caps. 2. Clean the brine suction lance with the brine filter, if necessary. 3. Check the setting for the brine control in the control unit: •...

  • Page 94: Consumables

    Maintenance and repair Consumables Product Quantity Order no. Regeneration salt tablets as per DIN EN 973 type A 25 kg 127 001 Water test kit “Total hardness” 1 piece 170187000000 10 pieces 170 100 Spare parts For an overview of the spare parts, refer to our spare parts catalogue at www.gruenbeck.com.
  • Page 95 Maintenance and repair ● Wearing parts of the control valve Designation Designation Chlorine cells of disinfection unit Push-in turbine of all water meters * 1" – 1 piece Transfer valve Soft water * 1¼" – 2 pieces Transfer valve Raw water * 1½"...
  • Page 96 Maintenance and repair ● Wearing parts of the salt tank: Designation Designation Float valve of filling unit Non-return valve Suction pipe Brine filter (suction pipe strainer) Level switch for filling height of make-up water Designation Brine volume meter * * Except for industrial systems softliQ:LBi 96 | 108...

  • Page 97: Troubleshooting

    Troubleshooting Troubleshooting WARNING Contaminated drinking water due to stagnation ● Infection due to bacterial growth ► Have faults eliminated immediately. For information on malfunctions regarding the Grünbeck Cloud, go to the following address on the internet: https://www.gruenbeck.de/de/werde-wasser-wisser/faq/ The water softener shows error messages as warnings or faults in the display. 1.

  • Page 98: Error Messages

    Troubleshooting Error messages Symbol Designation Meaning/Function Error messages: Yellow dot = Warning Warning or fault Red dot = Fault Active = Green (no leak) Leak sensor (Guard) Leak = Red Optimal = Green Salt supply Low = Yellow (salt level in the salt tank) Used up = Red Error connecting to web server/internet 9.1.1...

  • Page 99: Fault Messages

    Troubleshooting Display Explanation Remedy ► Check water meter and sensor No measurable pulses Water escaping at the installation ► Check whether water is leaking w07: site detected; Leak at the installation ► Close the main shut-off valve site Leak sensor has electrical of the domestic water system, if connection necessary...
  • Page 100 Troubleshooting Display Explanation Remedy ► Contact technical service Brine filling orifice, injector, injector sieve or brine valve clogged ► Contact technical service Chlorine cell is malfunctioning s06: Short-circuit Supply voltage Chlorine cell ► Check wearing parts of salt Not enough brine available s07: Required water volume tank for function...

  • Page 101: Other Observations

    Troubleshooting Display Explanation Remedy ► Check titanium rods for wear Connection to chlorine cell interrupted; s22: Wire break and tear and for corrosion Titanium rods worn Chlorine cell ► Check connection to chlorine cell ► Contact technical service ► Check connection Analogue input interrupted s23: Wire break...
  • Page 102 Troubleshooting Observation Explanation Remedy ► Contact technical service Water pressure at withdrawal Exchange resin contaminated by point too low undissolved substances (pressure loss too high) System does not draw brine Water pressure too low ► Increase flow pressure to at least 2.0 bar (salt tank is full) Brine volume meter mounted...

  • Page 103: Decommissioning

    Decommissioning Decommissioning It is not necessary to take your product out of operation. In case of longer absences, e.g. holidays, precautionary hygiene measures according to VDI 3810-2 and VDI 6023-2 must be taken in order to maintain drinking water hygiene after downtimes.

  • Page 104: Decommissioning

    Decommissioning 10.2 Decommissioning If a longer standstill of the system is planned, the system must be decommissioned. ► Have the system decommissioned by technical service personnel. ► Document the decommissioning in the operation log. 10.3 Recommissioning ► Put the system into operation again (refer to chapter 6). 10.4 Final shutdown The final shutdown of the system represents an intervention into your drinking water system.

  • Page 105: Dismantling And Disposal

    Dismantling and disposal Dismantling and disposal 11.1 Deleting personal data For security reasons, delete your personal data before disposing of your product. ► Please contact Grünbeck’s technical service for this. 11.2 Dismantling The tasks described here must be performed by qualified specialists only. 1.

  • Page 106: Disposal

    Dismantling and disposal 11.3 Disposal ► Obey the applicable national regulations. Packaging ► Dispose of the packaging in an environmentally sound manner. NOTE Danger to the environment due to incorrect disposal ● Packaging materials are valuable raw materials that can be reused in many cases.
  • Page 107 Publisher's information Technical documentation Should you have any questions or suggestions regarding this operation manual, please contact Grünbeck’s Department for Technical Documentation directly. Email: dokumentation@gruenbeck.de...
  • Page 108 Grünbeck AG Josef-Grünbeck-Str. 1 89420 Hoechstaedt a. d. Donau/Germany +49 9074 41-0 +49 9074 41-100 info@gruenbeck.com For more information go to www.gruenbeck.com www.gruenbeck.com...

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